A Study of the Three Dimensional Structure, Surface Area, and Hair Cell Population of the Vestibular Maculae in the Bullfrog

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概要

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• The three dimensional structure of the vestibular maculae in the bullfrog was observed with a scanning electron microscope (SEM), and these surface areas were measured with a digitizer on SEM micrograph used computer. The hair cell population of three maculae was obtained by counting each hair cell on the micrographs. The results were as follows.1. The hair bundles were classified into three types in the utricle and the lagena and two types in the saccule.2. The mean value of the surface area was 0.34mm2 in the utricular macula and 0.24mm2 in the saccular macula.The hair cell population was 9946 in the utricular macula, 2583 in the saccular macula, and 3610 in the lagenar macula.3. The hair cell density of the utricle was three times as high as the saccule.

• 耳鼻咽喉科臨床学会の論文

著者

• 藪田 良三

  広島大学医学部耳鼻咽喉科学教室

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